Let us learn how to use one in our circuits based on the requirement of our project.
1 channel 5v relay module datasheet pdf.
5v 1 channel relay module.
5v 8 channel relay module.
Relays are most commonly used switching device in electronics.
It can be used to control various appliances and equipment with large current.
Single channel relay module motor controller relay module 5v relay module single relay.
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Status led indicator included.
It can act as switch if the circuit and the load circuit have different supply voltage.
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If the relay can t open or close maybe you need remove the r4 and use the usb to ttl module s vcc pin connect to relay module s 5v pin.
It is commonly use if the load circuit is ac.
Before we proceed with the circuit to drive the relay we have to consider two important parameter of the relay.
How to use a relay.
5v 1 channel relay interface board equiped with high current relay ac250v 10a.
3v relay 12v relay 1 channel relay module 4 channel relay module.
Standard interface that can be controlled directly by microcontroller.
The six pins on the left side of the relay module connect high voltage and the pins on the right side connect the component that requires low voltage the arduino pins.
The following figure shows the relay module pinout.
It has three pins the vcc gnd and signal.
Page 1 of 4 pages keyes 5v relay module ky 019 description the new keyes 5v relay module is perfectly made for arduino application.
Ky 019 5v relay module description arduino ky 019 relay module is used to control ac circuits the relay acts as a switch that responds to a signal received from.
It can be used to control various appliances and equipment with large current.
Ky 032 infrared obstacle avoidance sensor module description arduino ky 032 obstacle avoidance sensor is a distance adjustable infrared proximity sensor designed for wheeled robots.
3 3v 1 channel relay module.
A00100a1 closed relay command format must be hex with serial debugging software on the pc to control the relay.
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4 channel 5v optical isolated relay module this is a low level 5v 4 channel relay interface board and each channel needs a 15 20ma driver current.